<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <script>
         let arr = [{label:'男',value: 1}, {label:'女',value: 0}]
        function f(arr) {
            // 声明空对象
            let obj = {}
            // 遍历数组
            arr.forEach(item => {
                obj[item.value] =item.label
            })
            return obj
        }
        let obj = f(arr);
        console.log(obj);
        // obj2 = {'1': '男'， '0': '女'}
    </script>
</body>
</html>